General Specifications:

• Product Type: Underground Armoured Singlemode Fibre Optic Cable
• Fiber Count: 48 cores
• Fiber Type: Single-mode (G.652D, G.657A1, or equivalent)

Optical Performance:

• Attenuation:
  • 1310 nm: ≤ 0.36 dB/km
  • 1550 nm: ≤ 0.22 dB/km
• Chromatic Dispersion:
  • 1285–1330 nm: ≤ 3.5 ps/nm·km
  • 1550 nm: ≤ 18 ps/nm·km
• Polarization Mode Dispersion (PMD): ≤ 0.2 ps/√km

Physical Specifications:

• Cable Structure: Loose tube design
• Armour Type: Corrugated steel tape or steel wire armor
• Outer Jacket Material: Polyethylene (PE) or Low Smoke Zero Halogen (LSZH)
• Cable Diameter: Typically ranges from 10 mm to 15 mm, depending on design
• Weight: Typically between 100 kg/km to 200 kg/km, depending on armor and jacket

Mechanical Specifications:

• Tensile Strength: Typically 1500 N to 3000 N
• Crush Resistance: ≥ 1000 N/100 mm
• Minimum Bending Radius:
  • Static: 10 x cable diameter
  • Dynamic: 20 x cable diameter
• Impact Resistance: Typically designed to withstand up to 10 impacts at a height of 1 meter

Environmental Specifications:

• Temperature Range:
  • Operating: -40°C to +70°C
  • Installation: -30°C to +60°C
  • Storage: -40°C to +70°C
• Water Blocking: Water-blocking gel or water-swellable tape to prevent moisture ingress
• UV Resistance: UV-resistant outer jacket for protection against sunlight in exposed environments

Standards and Compliance:

• Standards Compliance:
  • ITU-T G.652D, G.657A1 (fiber type)
  • IEC 60793-1, IEC 60794-1 (cable design)
  • RoHS compliant
• Fire Resistance: LSZH jacket complies with IEC 60332-1 standards (if applicable)

Additional Features:

• Buffer Tubes: Typically filled with water-blocking gel and color-coded for easy identification
• Strength Members: Central strength member (usually FRP or steel wire) for additional mechanical support
• Ripcord: Incorporated for easy stripping of the outer jacket during installation